Use control_data ip to make remote_syslog work in multiinterface setup

In fabfile/tasks/provision.py, we populate at line 1304 control_data interface ip and
try to access the connect_map_dict with management ip,Which is in a multi interface setup.

Fixed it by using control_ip and  pointing to the correct script location.
Closes-Bug: 1383441

Change-Id: I066f2c258e53b347d3147bfafc8bc80876a9787c